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ROCK ISLAND ARSENAL, US ARMY

Illinois — Community Water System — PWSID: IL1615387

System Information

PWSIDIL1615387
System NameROCK ISLAND ARSENAL, US ARMY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeFederal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 4, 1982
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CityROCK ISLAND
ZIP Code61299
AddressATTN: AMIM-RIP-E
OrganizationST. LOUIS, LAURA
Phone309-782-5366

Population & Service

Population Served7,800
Service Connections198

Drinking Water Violations (34)

This water system has 34 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Apr 1, 2025 Jun 30, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Apr 12, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Apr 12, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Apr 12, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Jun 30, 2025 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Feb 1, 2021 Lead and Copper Rule
Dec 30, 2020 — Lead and Copper Rule MR No No — TT — Resolved Feb 1, 2021 Lead and Copper Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L .06 Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MCL Yes No .066 MG/L 0.060 mg/L .06 Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Oct 1, 2007 Dec 31, 2007 Chloramine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2007 Dec 31, 2007 Chloramine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Jul 12, 2007 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Jul 12, 2007 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Jul 30, 2003 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Jul 30, 2003 Consumer Confidence Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1997 Total Coliform Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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